_______ is known to all，China will be an _______ powerful country in 20 or 30 years’ time.
A、That；advancingC
as可以用来引导一个非限制性定语从句，通常无明显的先行词。as指代的是主句陈述的内容。而as引导的从句既可以放于句首，也可以放于句末或句中。
In ____ of quality, our make is superior.
___ you like other items, kin dly let us know and we shall be only too pleased to make you offers direct.()
The girl was lucky enough to _______ the bad men and ran away.
We will not be held responsible for any damage which results ____ rough handling.
This is the first time that a woman has been ________ to the post.
